Samsung MAX-N22 Manuale utente
3 CD CHANGER
MINI MINI COMPONENT
MAX-N22
SERVICE Manual
MICRO COMPONENT SYSTME CONTENTS
Standby
R
Mono/ST
TUNER CD TAPE AUX
Band
Disc 1
CD Repeat Disc Change
Open/Close
Disc 2 Disc 3
Vol.
Hi Speed
Dubbing
Program/Set
Phones
AI Off/Sleep
Timer On/Off Timer/Clock
Demo
S.BASS
Down Preset/Manual Up
C
l
a
s
s
i
c
R
o
c
k
P
o
p
CD Synchro /
1. Alignment and Adjustments
2. Exploded Views and Parts List
3. Electrical Parts List
4. Block Diagrams
5. PCB Diagrams
6. Wiring Diagram
7. Schematic Diagrams
ELECTRONICS
© Samsung Electronics Co.,Ltd. JUN. 2000
Printed in Korea
Code no. AH68-00073R
1-1
Samsung Electronics
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
TFT1
VTVM Oscilloscope
1. Alignment and Adjustments
1-1 Tuner
FM THD Adjustment
Output
Output 1kHz 28dB
60 dB
Minumum Distortion (0.3% below)
(Figure 1-1)
SSG FREQ.
Adjustment
point
(TFT2)
98 MHz
FM DETECTOR COIL
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment
point
(TFT1)
450 kHz
522 kHz
AM I.F COIL
FM Search Level Adjustment
Adjust IVR1 so that “TUNED” of FLT is
lighted (Figure 1-2)
4Gain : 20dB(CE standard)
Figure1-2 FM Auto Search Level Adjustment
Figure1-3 AM I.F Adjustment
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(TVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(20KΩ)FM SSG GND
28 dB
FM SSG
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
TVR1
20KHz
* When adjusting T.H.D., readjust I/F coil on the Tuner Pack.
OUTPUT
1-2 Samsung Electronics
1-1-2 AM(MW),LW,SW1,SW2 Adjustment
Circuit Measuring Instrument & Step S.S.G Radio dial Adjusting Adjust for
to be Arrangement Frequency Setting Point
Adjusted
1 522KHz 522KHz TL11 Aduust for 1.0V±0.1V at the low.
OSC Connect AM signal (IR117)
generator to loop
antenna,VTVM AND
oscilloscope 2 1611KHz 1611KHz - Check for 7.0V±1.0V at the high.
(Fig 1-3) (IR117)
AM
(MW)
RF “ 1 594KHz 594KHz TL10 Maximum out
DET “ 1 594KHz 594KHz - Check for 1.2V±0.03V at the location NO
ATT:60dB of IC006(104M) after short-circuit IC1(0.47u).
INTER FREQ “ 1 455KHz 522KHz IFT1 Maximum out
OSC Fig 1-3 1 146KHz TL6 Aduust for 2.0V±0.1V at the low.
LW 2 290KHz - Check for 7.0V±1.0V at the high.
RF 1 150KHz 150KHz TL9 Maximum out
OSC Fig 1-3 1 2.3MHz TL4 Aduust for 1.0V±0.1V at the low.
SW1 2 7.3MHz - Check for 8.5V±1.0V at the high.
RF 1 3.5MHz 3.5MHz TL8 Maximum out
OSC Fig 1-3 1 9.5MHz TL3 Aduust for 1.5V±0.1V at the low.
SW2 2 26.1MHz - Check for 8.0V±1.0V at the high.
RF 1 10MHz 10MHz TL5 Maximum out
1-3
Samsung Electronics
1-2-1 To Adjust Tape Speed
* Measuring tape: i) MTT-111 CN(or equivalent)
(Tapes recorded with 3kHz)
ii) MTT-5512 (or equivalent)
Notes
SPEED
Control
1
2
MTT-111N
(3KHZ)
MTT-111
(3KHZ)
3 kHZ ±1% Fig. 1-4
Fig. 1-4
A&B Deck
deviation : 60Hz
-5200~6600Hz
Check
Remark
Standard Figure
Adjust
Point
Item
Step Tape
SVR3
No
Adjustment
HI SPEED
Control
Azimuth
1MTT-111CN 8KHZ Fig.1-4
Fig. 1-6
Output:Maximum
Remark
Standard Figure
Adjust
Point
Item
Step Tape
Adjustment
screw of HEAD
L,R
Unbalance
1
2
MTT-112B
(1KHZ)
MTT-5512
±5dB Fig. 1-5
Fig. 1-5
SPEAKER
VTVM (A-DECK)
60KHZ±1KHZ(MAX900)
85KHZ±1KHZ(MAX920) SP2
Remark
Frequency
Range Figure
Adjust
Point
Item
Step Tape
SVR4
SFT1
Record
Frequency
Speaker
Terminal
output
Frequency Counter
Figure 1-4
Figure 1-6
Recording /Play head
AZIMUTH control
Figure 1-5
In Out
Cassette Deck Oscilloscope
SET
(GND)
VTVM
V H
1-2 Cassette Deck
Alignment and Adjustments
SP2
SPEAKER
Pre-
Setup
Press play
button after
puting tape into
the Deck1
Press play
button after
puting tape into
the Deck1
Pre-
Setup
Press Rec button after
connecting (Fig1-5)
Press Rec button after
connecting (Fig1-5)
Pre-
Setup
Press Play button
after puting tape
into the Deck1
Rec Bias
Voltage
1MTT-5512
(3KHZ)
7V±0.5V Connete to MWF6 from
AC Meter.
Remark
Votage
Range
Adjust
Point
Item
Step Tape
SVR1
SVR2
Pre-
Setup
Press Rec button
after puting tape
into the Deck1
- Adjust SPEED Control
- Adjust Record Frequency
- Adjust Azimuth
- Adjust Rec Bias Voltage(Only MAX920 Model)
Samsung Electronics 6-1
6. Wiring Diagram
Samsung Electronics 4-1
4. Block Diagram
MIC4
TDA7440D
MIC1
TAPE-EQ
KA22291
MIC6 LA1837
IF+MPX
UIC1
LC86P7284
MIC1
TDA7265
MIC7 LC72131
PLL
17 16 13
91
23
9
8
4
3
5222 21
728
LCD
VC30V
G
7812
12V
9V
5V
4
4
4-1 Main
4-2 Samsung Electronics
4-2 CD Part(COMMON)
SLED
MOTOR
SPINDLE
MOTOR
PICK - UP
TRACKING
ACTUATOR
FOCUSING
ACTUATOR
A.B.C.D.E.F
LD.PD
DISC
SP+ SP- TRK+ TRK- FCS-
17
18
11 12 26 27 1 2
+5V
19 10 25 3
43 46 50 48 71P/U IN
LIMIT S/W
OPEN/CLOSE MOTOR
210
41 69.70 65.66.
67.68
33.30
29.25
22.24.23
31
35.36.37
38
40
MOTOR CONTROL
S/W SENSOR
FOK
MAIN PCB MAIN PCB
MICOM CTRL LINE POWER / AUDIO LINE
19
R
G
L
21
20
36.37.38 68 25.26.30 29
10.70.72
73.75.76
27
MCK. MDATA. MLT
ISTAT
SQDT. LKFS. SOS1
SQCK
A. GND
R-CH
L-CH
GND
B+
RESET
LOCK.SMEF.WDCH.SMON.SMSD
SL IN
SP IN
TE IN
EF IN
VREF
SL-
SL+
MOTOR/ACTUATOR DRIVER
6
ASSP
KB9223
NIC 9223
SCW1 SCW4
SIC1,SIC2,SIC3
DIGITAL SIGNAL PROCESSOR
16.9344MHz
66.69
8
EFM.TRCNT
UP/DOWN
ROULETTE
MOTOR
MOTOR
KA9258
NIC 9258
KS9286
NIC9286
NIC9223
KB9223
9
Samsung Electronics 7-1
7. Schematic Diagram
7-1 CD Part
7-2 Samsung Electronics
7-2 MAIN Part
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